Projects

CSEMP assessment of BDE99 in biota at Camarthen Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean153.5159.51-23.7647.51
linear253.8669.86-22.9345.861.655 10.1983

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062018-1.9950-2.7366-0.7416 0.5597-1.3250.2558
last 20 years20062018-1.9950-2.7366-0.7416 0.5597-1.3250.2558

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.06480.0120-1.6862 0.3825-4.4090.9942
FEQG0.06481.0000 2.7366 0.3825 7.1550.0010

 


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for in biota
  • Accessment criteria for in biota